10 Best Women's Thermal Underwear Bottoms 2025

Looking to stay warm and cozy this winter? Look no further than our top 10 list of Women's Thermal Underwear Bottoms. We've reviewed and scored many products in the Clothing, Shoes & Jewelry category, and we found products ranging from a 7.1 score up to a 9.6 score. But the clear winner is the Cuddl Duds Women's Softwear with Stretch Legging in Medium Heather Coal. Not only does it score a whopping 9.6, but it's also made with the softest material and has just the right amount of stretch for ultimate comfort. Trust us, you won't want to take these off. Keep warm and stylish this winter with Cuddl Duds.